<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodsList" border stripe>
                <el-table-column label="#" type="index" :width="this.width/26"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品数量" prop="goods_number" :width="this.width/16"></el-table-column>
                <!-- <el-table-column label="商品价格(元)" prop="goods_price" :width="this.width/16"></el-table-column> -->
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品状态"  :width="this.width/16">
                    <template slot-scope="scope">
                        <span v-if="scope.row.goods_state === 0">未通过</span>
                        <span v-else-if="scope.row.goods_state === 1">审核中</span>
                        <span v-else>已审核</span>
                    </template>
                </el-table-column>
                <!-- <el-table-column label="商品重量" prop="goods_weight" :width="this.width/16"></el-table-column> -->
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <!-- <el-table-column label="创建时间" :width="this.width/8"> -->
                <el-table-column label="创建时间" width="140px">
                    <template slot-scope="scope">
                        {{ scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <!-- <el-table-column label="操作" :width="this.width/10"> -->
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button 
                            type="danger" 
                            icon="el-icon-delete" 
                            size="mini" 
                            @click="removeGoodsById(scope.row.goods_id)">
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>

            <el-pagination 
                @size-change="handleSizeChange" 
                @current-change="handleCurrentChange" 
                :current-page="queryInfo.pagenum" 
                :page-sizes="[5, 10, 15, 20]" 
                :page-size="queryInfo.pagesize" 
                layout="total, sizes, prev, pager, next, jumper" 
                :total="total"
                background>
            </el-pagination>
            
        </el-card>
    </div>
</template>

<script>
    export default {
        data(){
            return{
                // 查询参数对象
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 10
                },
                // 商品列表
                goodsList: [],
                // 总数据条数
                total: 0,
                width: 1340
            };
        },
        created(){
            this.getGoodsList();
        },
        methods: {
            // 根据分页获取对应的商品列表
            async getGoodsList(){
                const {data: res} = await this.$http.get('goods',
                {params: this.queryInfo});

                if(res.meta.status !== 200){
                    return this.$message.error('获取商品列表失败!');
                }

                this.$message.success('获取商品列表成功!');
                console.log(res.data);
                this.goodsList = res.data.goods;
                this.total = res.data.total;
            },
            // 监听pageSize改变的事件
            handleSizeChange(newSize){
                console.log(newSize);
                this.queryInfo.pagesize = newSize;
                this.getGoodsList();
            },
            // 监听当前页面值改变的事件
            handleCurrentChange(newPage){
                console.log(newPage);
                this.queryInfo.pagenum = newPage;
                this.getGoodsList();
            },
            // 根据商品Id删除商品数据
            async removeGoodsById(id){
                // 弹框询问用户是否确认删除数据
                const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err);

                if(confirmResult !== 'confirm'){
                    return this.$message.info('已经取消删除!');
                }

                const {data: res} = await this.$http.delete('goods/' + id);
                if(res.meta.status !== 200){
                    return this.$message.error('删除用户失败!');
                }
                this.$message.success('删除用户成功!');
                this.getGoodsList();
            },
            goAddpage(){
                this.$router.push('/goods/add');
            }
        },
        // filters: {
        //     dateFilter: function(val, arg) {
        //         if (arg = 'yyyy-MM-dd') {
        //             var ret = '';
        //             ret += val.getFullYear() + '-' + (val.getMonth() + 1) + '-' + val.getDate()
        //             + ' ' + (val.getHours() < 10 ? '0' + val.getHours(): val.getHours()) 
        //             + ':' + (val.getMinutes() < 10 ? '0' + val.getMinutes(): val.getMinutes()) + ':' 
        //             + (val.getSeconds() < 10 ? '0' + val.getSeconds(): val.getSeconds());
        //             console.log(ret);
        //             return ret;
        //         }
        //     }
        // }
    }
</script>

<style lang="less" scoped>

</style>